code: def __init__(self, config, vocab):
      super().__init__()
      self.config = config
      self.vocab = vocab
  
file_path: mmf/tests/utils/test_model.py
imports: import torch
  from mmf.common.registry import registry
  from torch import nn
label_desc: Use image node_id 1 to create a new TestDecoderModel object from inherited base classes: nn with example: obj = TestDecoderModel(config, vocab)